Portion of a matrix for surface mount package leadframe



FIG. 1 is a top plan view of a portion of a matrix for surface mount package leadframes showing my new design;

FIG. 2 is a top plan view of an enlarged fragment of the portion of a matrix for surface mount package leadframe; and,

FIG. 3 is a perspective view of a matrix for surface mount package leadframes showing my new design. 

The ornamental design for a portion of a matrix for surface mount package leadframe, as shown and described. 